Insufficient Input Validation in Glic in Google Chrome

Publication date: 2026-06-04

Last updated on: 2026-06-08

Assigner: Chrome

Description

Insufficient validation of untrusted input in Glic in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-04

Last Modified

2026-06-08

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-11027

EUVD

EUVD-2026-34476

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 149.0.7827.53 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient validation of untrusted input in Glic within Google Chrome versions prior to 149.0.7827.53. It allows a remote attacker who has compromised the renderer process to leak cross-origin data by using a specially crafted HTML page.

Impact Analysis

An attacker exploiting this vulnerability can leak data from other origins, potentially exposing sensitive information that should be isolated by the browser's security model. This can lead to unauthorized data disclosure if the attacker has already compromised the renderer process.

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